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Preparation method for banana skin drying agent and drying mould-proof bag containing banana skin drying agent

The technology of banana peel and desiccant is applied to the preparation of banana peel desiccant and the field of drying anti-mildew bag, which can solve the problems of limited moisture absorption capacity, easy explosion of desiccant, low safety performance, etc., to increase specific surface area and ensure drying. effect of effect

Inactive Publication Date: 2016-10-12
YANGTZE NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned deficiencies in the prior art, the technical problem to be solved in the present invention is to provide a desiccant in the prior art that is easy to explode, has low safety performance, limited moisture absorption capacity, and is likely to cause the risk of accidental ingestion. Preparation method of banana peel natural desiccant which is natural, safe and excellent in hygroscopic effect and dry mildew-proof bag containing banana peel desiccant

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A preparation method of banana peel desiccant, comprising the steps of:

[0020] 1) Take fresh banana peel and wash it with tap water, and cut it into squares of about 5 mm×5 mm in size, so that it can fully contact with the activation liquid during subsequent activation, and increase the specific surface area during the freeze-drying process to improve the drying process. rate;

[0021] 2) Ethanol and acetic acid were prepared into an ethanol-acetic acid mixed solution at a volume ratio of 4:1, and the banana peels cleaned and cut in step 1) were immersed in the prepared ethanol-acetic acid mixed solution for 5 h of activation treatment. Wherein, the mass volume ratio of described banana peel and ethanol-acetic acid mixed solution is 400g / L;;

[0022] 3) Freeze the banana peels after the activation treatment in step 2) at -60°C for 2 hours, then freeze-dry them at a freeze-drying temperature of -20°C and a vacuum of 40 Pa for 8 hours;

[0023] 4) The banana peel afte...

Embodiment 2

[0029] A preparation method of banana peel desiccant, comprising the steps of:

[0030] 1) Take fresh banana peel and wash it with tap water, and cut it into squares of about 5 mm×5 mm in size, so that it can fully contact with the activation liquid during subsequent activation, and increase the specific surface area during the freeze-drying process to improve the drying process. rate;

[0031] 2) Prepare ethanol and acetic acid at a volume ratio of 5:1 to make an ethanol-acetic acid mixed solution. Immerse the cleaned and cut banana peels in step 1) into the prepared ethanol-acetic acid mixed solution. Ultrasonic at 60°C and 400W Under the condition of power, carry out activation treatment 3 h, wherein, the mass volume ratio of described banana peel and ethanol-acetic acid mixed solution is 500g / L;

[0032] 3) Freeze the banana peel after the activation treatment in step 2) at -40°C for 4 hours, then freeze-dry at -30°C and vacuum degree of 65 Pa for 10 hours;

[0033] 4) T...

Embodiment 3

[0037] A preparation method of banana peel desiccant, comprising the steps of:

[0038] 1) Take fresh banana peel and wash it with tap water, and cut it into squares of about 5 mm×5 mm in size, so that it can fully contact with the activation liquid during subsequent activation, and increase the specific surface area during the freeze-drying process to improve the drying process. rate;

[0039] 2) Prepare ethanol and acetic acid at a volume ratio of 6:1 to make an ethanol-acetic acid mixed solution. Immerse the cleaned and cut banana peels in step 1) into the prepared ethanol-acetic acid mixed solution. Ultrasonic at 40°C and 200W Activation treatment was carried out for 5 h under the condition of power, wherein, the mass volume ratio of the banana peel and ethanol-acetic acid mixed solution was 600g / L;

[0040] 3) Freeze the banana peel after the activation treatment in step 2) at -50°C for 3 hours, then freeze-dry at -25°C and vacuum degree of 55Pa for 9 hours;

[0041] 4)...

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Abstract

The invention provides a preparation method for a banana skin drying agent and a drying mould-proof bag containing the banana skin drying agent. The preparation method comprises the following steps: cleaning and cutting the banana skin; soaking the cut banana skin into acetic acid-ethanol solution for activating; freeze-drying, crushing and screening the banana skin after being activated, thereby acquiring the banana skin drying agent. The drying mould-proof bag comprises a drying mould-proof bag body made from a breathable material, wherein the bag body is filled with the banana skin drying agent acquired according to the preparation method. The banana skin drying agent provided by the invention is natural and safe; the moisture adsorption effect is excellent; the wastes are turned into wealth; the additional value of the banana industry is increased; the banana skin drying agent is more environmentally friendly.

Description

technical field [0001] The invention belongs to the technical field of desiccants, and in particular relates to a preparation method of a banana peel desiccant and a dry anti-mold bag containing the banana peel desiccant. Background technique [0002] There are many types of desiccants, such as: quicklime desiccant, calcium chloride desiccant, silica gel desiccant and so on. Quicklime desiccants, calcium chloride desiccants, and silica gel desiccants are widely used because of their good drying effect and low price. However, in recent years, there have been many incidents of eye injuries caused by the explosion of the above-mentioned desiccants. It is not uncommon to see desiccant, which has attracted widespread attention; and the existing desiccant still has or uses chemical components, which have certain toxicity. Once the outer packaging leaks, it is easy to contaminate food and other substances that need to be preserved, or the preparation method complex deficiencies. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/24B01J20/28B01J20/30B01D53/28
CPCB01D53/28B01J20/24B01J20/28011B01J2220/4825
Inventor 腾晓旭时建伟罗霞娟李梦玲成浪
Owner YANGTZE NORMAL UNIVERSITY
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